KR102029645B1 - 맞춤형 마스크의 제조 방법 및 맞춤형 마스크를 이용한 반도체 장치의 제조 방법 - Google Patents
맞춤형 마스크의 제조 방법 및 맞춤형 마스크를 이용한 반도체 장치의 제조 방법 Download PDFInfo
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
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- KJXBRHIPHIVJCS-UHFFFAOYSA-N oxo(oxoalumanyloxy)lanthanum Chemical compound O=[Al]O[La]=O KJXBRHIPHIVJCS-UHFFFAOYSA-N 0.000 description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 2
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- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 2
- 101100028951 Homo sapiens PDIA2 gene Proteins 0.000 description 1
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- DBOSVWZVMLOAEU-UHFFFAOYSA-N [O-2].[Hf+4].[La+3] Chemical compound [O-2].[Hf+4].[La+3] DBOSVWZVMLOAEU-UHFFFAOYSA-N 0.000 description 1
- ILCYGSITMBHYNK-UHFFFAOYSA-N [Si]=O.[Hf] Chemical compound [Si]=O.[Hf] ILCYGSITMBHYNK-UHFFFAOYSA-N 0.000 description 1
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- VKJLWXGJGDEGSO-UHFFFAOYSA-N barium(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Ba+2] VKJLWXGJGDEGSO-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
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- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
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- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
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- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
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- 239000010937 tungsten Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/38—Masks having auxiliary features, e.g. special coatings or marks for alignment or testing; Preparation thereof
- G03F1/42—Alignment or registration features, e.g. alignment marks on the mask substrates
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
- G03F1/70—Adapting basic layout or design of masks to lithographic process requirements, e.g., second iteration correction of mask patterns for imaging
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
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- H10B—ELECTRONIC MEMORY DEVICES
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- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
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- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/30—EEPROM devices comprising charge-trapping gate insulators characterised by the memory core region
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
- G03F1/82—Auxiliary processes, e.g. cleaning or inspecting
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- H10B41/20—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels
- H10B41/23—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
- H10B41/27—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/20—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels
- H10B43/23—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
- H10B43/27—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels
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Abstract
Description
도 2는 다수의 몰드 구조체가 배치된 쇼트를 설명하기 위한 평면도이다.
도 3a는 제1 패턴이 형성된 몰드 구조체를 설명하기 위한 평면도이고, 도 3b는 제1 패턴이 형성된 몰드 구조체를 설명하기 위한 단면도이다.
도 4a는 제1 패턴의 위치의 이동을 설명하기 위한 평면도이고, 도 4b는 제1 패턴의 위치의 이동을 설명하기 위한 단면도이다.
도 5a는 최초 마스크를 이용하여 형성된 제2 패턴을 설명하기 위한 평면도이고, 도 5b는 최초 마스크를 이용하여 형성된 제2 패턴을 설명하기 위한 단면도이다.
도 6은 원(original) 제2 패턴을 형성하기 위한 최초 마스크를 설명하기 위한 도면이다.
도 7은 수정된(modified) 제2 패턴을 형성하기 위한 맞춤형 마스크를 설명하기 위한 도면이다.
도 8a는 맞춤형 마스크를 이용하여 형성된 제2 패턴을 설명하기 위한 평면도이고, 도 8b는 맞춤형 마스크를 이용하여 형성된 제2 패턴을 설명하기 위한 단면도이다.
도 9a 내지 도 9d는 최초 마스크 또는 맞춤형 마스크를 적용한 경우 각각의 오버랩 불량의 계측 결과를 설명하기 위한 그래프이다
도 10은 본 발명의 제2 실시예에 따른 맞춤형 마스크의 제조 방법을 설명하기 위한 도면이다.
도 11은 본 발명의 몇몇 실시예에 따른 맞춤형 마스크를 이용하여 제조되는 비휘발성 메모리 장치를 설명하기 위한 개념도이다.
도 12는 도 11의 비휘발성 메모리 장치의 메모리 블록을 설명하기 위한 사시도이다.
도 13은 도 11의 비휘발성 메모리 장치를 포함하는 메모리 시스템을 설명하기 위한 블록도이다.
도 14는 도 13의 메모리 시스템의 응용 예를 설명하기 위한 블록도이다.
도 15는 도 13 또는 도 14의 메모리 시스템을 포함하는 컴퓨팅 시스템을 설명하기 위한 블록도이다.
111: 제1 패턴 116, 117: 제2 패턴
130: 최초 마스크 140: 맞춤형 마스크
Claims (10)
- 몰드(mold) 구조체에 제1 패턴을 형성하고,
상기 제1 패턴이 형성된 상기 몰드 구조체에 최초 마스크를 이용하여 제2 패턴을 형성하고,
상기 제1 패턴과 상기 제2 패턴의 오버랩 불량을 계측하고,
상기 계측 결과에 따라 상기 최초 마스크의 패턴의 위치를 보상하여 맞춤형 마스크를 제조하는 것을 포함하되,
상기 최초 마스크의 패턴의 위치를 보상하는 것은, 상기 제1 패턴의 적어도 일부의 이동 방향 및 크기에 대응하여 상기 최초 마스크의 패턴의 적어도 일부의 위치를 이동시켜 보상하는, 맞춤형 마스크의 제조 방법. - 제1항에 있어서,
상기 최초 마스크를 이용하여 상기 제2 패턴을 형성하기 전에, 상기 몰드 구조체를 수축(shrinkage) 또는 팽창(expansion)시키게 되는 고온 공정이 개재되는, 맞춤형 마스크의 제조 방법. - 제2항에 있어서,
상기 최초 마스크의 패턴의 적어도 일부의 위치를 이동시켜 보상하는 것은, 상기 몰드 구조체의 수축 또는 팽창 방향과 동일한 방향으로 상기 최초 마스크의 패턴의 적어도 일부의 위치를 이동시켜 보상하는, 맞춤형 마스크의 제조 방법. - 제1항에 있어서,
상기 최초 마스크의 패턴의 적어도 일부의 위치를 이동시켜 보상하는 것은, 상기 최초 마스크의 패턴의 적어도 일부의 이동 방향 및 크기를 연속적으로 변화시켜 보상하는, 맞춤형 마스크의 제조 방법. - 제1항에 있어서,
상기 최초 마스크의 패턴의 적어도 일부의 위치를 이동시켜 보상하는 것은, 상기 최초 마스크의 패턴의 적어도 일부의 이동 방향 및 크기를 단계적으로 변화시켜 보상하는, 맞춤형 마스크의 제조 방법. - 제5항에 있어서,
상기 최초 마스크의 패턴의 적어도 일부의 이동 방향 및 크기를 단계적으로 변화시켜 보상하는 것은, 상기 최초 마스크의 패턴의 비연속적인 구간을 이용하여 보상하는, 맞춤형 마스크의 제조 방법. - 제1항에 있어서,
상기 최초 마스크의 패턴의 적어도 일부의 위치를 이동시켜 보상하는 것은, 적어도 하나의 쇼트(shot) 내의 적어도 하나의 상기 몰드 구조체 단위로 수행되는, 맞춤형 마스크의 제조 방법. - 제1항에 있어서,
상기 최초 마스크의 패턴의 적어도 일부의 위치를 이동시켜 보상하는 것은, 상기 몰드 구조체의 중심을 기준으로 좌우 대칭으로 수행되는, 맞춤형 마스크의 제조 방법. - 몰드(mold) 구조체에 제1 패턴을 형성하고,
상기 제1 패턴이 형성된 몰드 구조체에 맞춤형 마스크를 이용하여 제2 패턴을 형성하는 것을 포함하되,
상기 맞춤형 마스크를 이용하여 제2 패턴을 형성하는 것은, 상기 몰드(mold) 구조체에 상기 제1 패턴을 형성하고, 상기 제1 패턴이 형성된 상기 몰드 구조체에 최초 마스크를 이용하여 상기 제2 패턴을 형성하고, 상기 제1 패턴과 상기 제2 패턴의 오버랩 불량을 계측하고, 상기 계측 결과에 따라 상기 최초 마스크의 패턴의 위치를 보상하여 맞춤형 마스크를 제조하는 것을 포함하고,
상기 최초 마스크의 패턴의 위치를 보상하는 것은, 상기 제1 패턴의 적어도 일부의 이동 방향 및 크기에 대응하여 상기 최초 마스크의 패턴의 적어도 일부의 위치를 이동시켜 보상하는, 맞춤형 마스크를 이용한 반도체 장치의 제조 방법. - 제9항에 있어서,
상기 제2 패턴을 형성하기 전에, 상기 몰드 구조체를 수축(shrinkage) 또는 팽창(expansion)시키게 되는 고온 공정이 개재되는, 맞춤형 마스크를 이용한 반도체 장치의 제조 방법.
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